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Does Dapagliflozin Interact with Hydrochlorothiazide?

Dapagliflozin and Hydrochlorothiazide have a unknown drug interaction according to U.S. FDA drug labeling data. No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↔ ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↔ Voglibose (0.2 mg three times daily) 10 mg ↔ ↔ Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↔ ↔ Valsartan (320 mg) 20 mg ↓12% [↓3%, ↓20%] ↔ Simvastatin (40 mg) 20 mg ↔ ↔ Anti-infective Agent Rifampin (600 mg once daily for 6 days) 10 mg ↓7% [↓22%, ↑11%] ↓22% [↓27%, ↓17%] Nonsteroidal Anti-inflammatory Agent Mefenamic Acid (loading dose of 500 mg followed by 14 doses of 250 mg every 6 hours) 10 mg ↑13% [↑3%, ↑24%] ↑51% [↑44%, ↑58%] ↔ = no change (geometric mean ratio of test: reference within 0.80 to 1.25); ↓ or ↑ = parameter was lower or higher, respectively, with coadministration compared to dapagliflozin administered alone (geometric mean ratio of test: reference was lower than 0.80 or higher than 1.25) Effects of Dapagliflozin on Other Drugs Table 7 shows the effect of dapagliflozin on other coadministered drugs. No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↓7% [↓25%, ↑15%] ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↑13% [0%, ↑29%] Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↑13% [↓2%, ↑31%] ↑13% [↓1%, ↑30%] Valsartan (320 mg) 20 mg ↓6% [↓24%, ↑16%] ↑5% [↓15%, ↑29%] Simvastatin (40 mg) 20 mg ↔ ↑19% Digoxin (0.25 mg) 20 mg loading dose then 10 mg once daily for 7 days ↔ ↔ Warfarin (25 mg) 20 mg loading dose then 10 mg once daily for 7 days ↔ ↔ ↔ = no change (geometric mean ratio of test: reference within 0.80 to 1.25); ↓ or ↑ = parameter was lower or higher, respectively, with coadministration compared to the other medicine administered alone (geometric mean ratio of test: reference was lower than 0.80 or higher than 1.25). Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Unknown
Dapagliflozin Class
Sodium-Glucose Cotransporter 2 Inhibitor
Hydrochlorothiazide Class
Thiazide Diuretic
Management
Consult your pharmacist
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Dapagliflozin and your doctor is considering prescribing Hydrochlorothiazide (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Never stop or change either medication without first consulting your healthcare provider
💊 Dapagliflozin(Dapagliflozin)+💊 Hydrochlorothiazide

Severity & Interaction Details

ℹ️
unknown
Interaction documented — severity unclassified
The FDA label notes an interaction but the severity is not classified in our dataset.
Severity scale
MinorContra
On record
Yes
Drug A class
Sodium-Glucose Cotransporter 2 Inhibitor
Drug B class
Thiazide Diuretic
Source
FDA drug label - dapagliflozin

What this means in plain English

No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↔ ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↔ Voglibose (0.2 mg three times daily) 10 mg ↔ ↔ Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↔ ↔ Valsartan (320 mg) 20 mg ↓12% [↓3%, ↓20%] ↔ Simvastatin (40 mg) 20 mg ↔ ↔ Anti-infective Agent Rifampin (600 mg once daily for 6 days) 10 mg ↓7% [↓22%, ↑11%] ↓22% [↓27%, ↓17%] Nonsteroidal Anti-inflammatory Agent Mefenamic Acid (loading dose of 500 mg followed by 14 doses of 250 mg every 6 hours) 10 mg ↑13% [↑3%, ↑24%] ↑51% [↑44%, ↑58%] ↔ = no change (geometric mean ratio of test: reference within 0.80 to 1.25); ↓ or ↑ = parameter was lower or higher, respectively, with coadministration compared to dapagliflozin administered alone (geometric mean ratio of test: reference was lower than 0.80 or higher than 1.25) Effects of Dapagliflozin on Other Drugs Table 7 shows the effect of dapagliflozin on other coadministered drugs. No dosing adjustments required for the following: Oral Antidiabetic Agents Metformin (1000 mg) 20 mg ↔ ↔ Pioglitazone (45 mg) 50 mg ↓7% [↓25%, ↑15%] ↔ Sitagliptin (100 mg) 20 mg ↔ ↔ Glimepiride (4 mg) 20 mg ↔ ↑13% [0%, ↑29%] Other Medications Hydrochlorothiazide (25 mg) 50 mg ↔ ↔ Bumetanide (1 mg) 10 mg once daily for 7 days ↑13% [↓2%, ↑31%] ↑13% [↓1%, ↑30%] Valsartan (320 mg) 20 mg ↓6% [↓24%, ↑16%] ↑5% [↓15%, ↑29%] Simvastatin (40 mg) 20 mg ↔ ↑19% Digoxin (0.25 mg) 20 mg loading dose then 10 mg once daily for 7 days ↔ ↔ Warfarin (25 mg) 20 mg loading dose then 10 mg once daily for 7 days ↔ ↔ ↔ = no change (geometric mean ratio of test: reference within 0.80 to 1.25); ↓ or ↑ = parameter was lower or higher, respectively, with coadministration compared to the other medicine administered alone (geometric mean ratio of test: reference was lower than 0.80 or higher than 1.25).

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.